From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754084AbZJVDp0 (ORCPT ); Wed, 21 Oct 2009 23:45:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753999AbZJVDpX (ORCPT ); Wed, 21 Oct 2009 23:45:23 -0400 Received: from g4t0015.houston.hp.com ([15.201.24.18]:33561 "EHLO g4t0015.houston.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752600AbZJVDpV (ORCPT ); Wed, 21 Oct 2009 23:45:21 -0400 Subject: [PATCH 3/7] Documentation: ABI: /sys/devices/system/cpu/ topology files To: randy.dunlap@oracle.com, greg@kroah.com From: Alex Chiang Cc: akpm@linux-foundation.org, Mike Travis , linux-kernel@vger.kernel.org, Rusty Russell , rientjes@google.com Date: Wed, 21 Oct 2009 21:45:25 -0600 Message-ID: <20091022034525.13399.4286.stgit@bob.kio> In-Reply-To: <20091022033506.13399.90799.stgit@bob.kio> References: <20091022033506.13399.90799.stgit@bob.kio> User-Agent: StGit/0.14.3.386.gb02d MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add brief descriptions for the following sysfs files: /sys/devices/system/cpu/kernel_max /sys/devices/system/cpu/offline /sys/devices/system/cpu/online /sys/devices/system/cpu/possible /sys/devices/system/cpu/present Excerpted the relevant information from Documentation/cputopology.txt and pointed back to cputopology.txt as the authoritative source of information. Cc: Mike Travis Cc: Rusty Russell Signed-off-by: Alex Chiang --- Documentation/ABI/testing/sysfs-devices-system-cpu | 28 ++++++++++++++++++++ 1 files changed, 28 insertions(+), 0 deletions(-) diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu index 86126b1..871acdb 100644 --- a/Documentation/ABI/testing/sysfs-devices-system-cpu +++ b/Documentation/ABI/testing/sysfs-devices-system-cpu @@ -10,6 +10,34 @@ Description: /sys/devices/system/cpu/cpu#/ +What: /sys/devices/system/cpu/kernel_max + /sys/devices/system/cpu/offline + /sys/devices/system/cpu/online + /sys/devices/system/cpu/possible + /sys/devices/system/cpu/present +Date: December 2008 +Contact: Linux kernel mailing list +Description: CPU topology files that describe kernel limits related to + hotplug. Briefly: + + kernel_max: the maximum cpu index allowed by the kernel + configuration. + + offline: cpus that are not online because they have been + HOTPLUGGED off or exceed the limit of cpus allowed by the + kernel configuration (kernel_max above). + + online: cpus that are online and being scheduled. + + possible: cpus that have been allocated resources and can be + brought online if they are present. + + present: cpus that have been identified as being present in + the system. + + See Documentation/cputopology.txt for more information. + + What: /sys/devices/system/cpu/cpu*/cache/index*/cache_disable_X Date: August 2008 KernelVersion: 2.6.27